export function base64ToStream(database64: string, filename = 'filename') {
  const arr = database64.split(',');

  const mime = arr[0].match(/:(.*?);/)![1];

  const suffix = mime.split('/')[1];
  // const bstr = atob(arr[1]);
  // let n = bstr.length;
  // const u8arr = new Uint8Array(n);
  // while (n--) {
  //   u8arr[n] = bstr.charCodeAt(n);
  // }
  const u8arr = Buffer.from(arr[1], 'base64');
  return new File([u8arr], `${filename}.${suffix}`, {
    type: mime,
  });
}
